#app {
    width: 100%;
    margin: 0 auto; 
}
.masnn-top{
    position: fixed;
    top: 0;
    width:100%;
    background-color: white;
}
.masnn-bottom{
    position: fixed;
    bottom: 5px;
    width:100%;
    background-color: white;
}
.masnn-right{
    position: absolute;
    right: 0;
}
.masnn-right-1{
    position: absolute;
    right: 66px;
}
.masnn-nicklist{
    position:fixed;
    top:0px;
    right:0px;
    width:10%;
    background-color: burlywood;
}